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47305473 = 331508661
BaseRepresentation
bin1011010001110…
…1001100000001
310022000100220120
42310131030001
544102233343
64405530453
71113042555
oct264351401
9108010816
1047305473
1124780336
1213a13a29
139a53b07
1463d5865
154246683
hex2d1d301

47305473 has 8 divisors (see below), whose sum is σ = 65108736. Its totient is φ = 30519600.

The previous prime is 47305463. The next prime is 47305477. The reversal of 47305473 is 37450374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47305473 - 210 = 47304449 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47305477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254238 + ... + 254423.

It is an arithmetic number, because the mean of its divisors is an integer number (8138592).

Almost surely, 247305473 is an apocalyptic number.

It is an amenable number.

47305473 is a deficient number, since it is larger than the sum of its proper divisors (17803263).

47305473 is a wasteful number, since it uses less digits than its factorization.

47305473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508695.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 47305473 is about 6877.8974258126. The cubic root of 47305473 is about 361.6627634719.

The spelling of 47305473 in words is "forty-seven million, three hundred five thousand, four hundred seventy-three".

Divisors: 1 3 31 93 508661 1525983 15768491 47305473